US4939137AExpiredUtility
Ring-fused thienopyrimidinedione derivatives
Est. expiryJun 28, 2009(expired)· nominal 20-yr term from priority
C07D 495/16
91
PatentIndex Score
43
Cited by
2
References
18
Claims
Abstract
The synthesis of ring-fused thienopyrimidinedione derivatives is described. The novel ring-fused thienopyrimidinedione derivatives are generally vasodilating agents and antihypertensive agents and as such are useful as cardiovascular agents.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1. A compound of the formula ##STR8## where X is C═O or CHOR 3 or C═NOR 4 or CHNHR 3 when Y is CH 2 or X and Y together are CH═CH or Y is NH when X is C═O ##STR9## R 1 is hydrogen, halogen, nitro or C 1 -C 3 alkyl R 2 is ##STR10## R 3 is hydrogen, C 1 -C 3 alkyl or COR 5 ; R 4 is hydrogen or C 1 -C 6 alkyl; R 5 is C 1 -C 6 alkyl, phenyl or phenyl substituted by halogen, C 1 -C 6 alkyl, C 1 -C 3 alkoxy, nitro, CF 3 , amino or C 1 -C 6 dialkylamino; Ar is phenyl or phenyl substituted by halogen, C 1 -C 6 alkyl, C 1 -C 3 alkoxy, nitro, CF 3 , amino or C 1 -C 6 dialkylamino; m is 1-5; and n is 2-6
2. The compound of claim 1 wherein R 1 is hydrogen or C 1 -C 3 alkyl; R 3 is hydrogen or COR 5 ; R 4 is hydrogen or methyl; R 5 is C 1 -C 6 alkyl or phenyl or phenyl substituted by 4-chloro or 4-methoxy; Ar is phenyl or phenyl substituted by halogen, methyl, methoxy or CF 3 ; m is 1-3; and n is 2-5.
3. The compound of claim 1 selected from the group consisting of 3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methylphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 3,4,5,7,8,9-hexahydro-4-[2-(4-phenylpiperazin-1-yl)ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 4-[2-[4-(3-trifluoromethylphenyl)piperazin-1-yl]ethyl]-3,4,5,7,8,9-hexahydrothieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 4-[2-[4-(3-chlorophenyl)piperazin-1-yl]ethyl]-3,4,5,7,8,9-hexahydrothieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 3,4,5,7,8,9-hexahydro-4-[3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 3,4,5,7,8,9-hexahydro-4-[4-[4-(2-methoxyphenyl)piperazin-1-yl]butyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 3,4,5,7,8,9-hexahydro-4-[5-[4-(2-methoxyphenyl)piperazin-1-yl]pentyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 3,4,5,7,8,9-hexahydro-2-methyl-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 7,8-dihydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[2,3,4-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 4,7,8,9-tetrahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrimido[3,4-a]azepine-3,5,10-trione; 4.
4. 7,8,9,10,11-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrimido[3,4-a]azocine-3,5,11-trione; 3,4,5,7,8,9-hexahydro-4-[2-(4-phenyl-1,2,3,6-tetrahydropyridin-1-yl)ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 4-[2-[4-(4-fluorobenzoyl)piperidin-1-yl]ethyl]-3,4,5,7,8,9-hexahydrothieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 4-[2-[4-[bis(4-fluorophenyl)methylene]piperidin-1-yl]ethyl]-3,4,5,7,8,9-hexahydrothieno[4,3,2-de]pyrimidine-3,5,9-trione; 3,4,5,7,8,9-hexahydro-9-hydroxy-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 10-hydroxy-4,7,8,9-tetrahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrimido[3,4-a]azepine-3,5-dione; 3,4,5,7-tetrahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 3,4,5,7,9,10-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]-9H-thieno[4,3,2-de]pyrimido[1,2-a]1,4]diazepine-3,5,10-trione;
3. 4,5,7,8,9-hexahydro-9-methoxyimino-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 4,7,8,9-tetrahydro-10-methoxyimino-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrimido[3,4-a]azepine-3,5-dione; 3,4,5,7,8,9-hexahydro-9-methoxyimino-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]-2-methylthieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 3,4,5,7,8,9-hexahydro-9-methoxyimino-4-[3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl]thieno-[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 9-acetyloxy-3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2,de]pyrido[1,2-c]pyrimidine-3,5-dione; 3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]-9-(butanoyloxy)thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]-9-(hexanoyloxy)thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 3,4,5,7,8,9-hexahydro-9-(2-methylpropanoyloxy)-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 9-benzoyloxy-3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 9-(4-chlorobenzoyloxy)-3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 9-amino-3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 9-acetylamino-3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 9-benzoylamino-3,4,5,7,8,9-hexahydro-4-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]thieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5-dione; 4-[4-[4-(4-fluorobenzoyl)piperidin-1-yl]butyl]-3,4,5,7,8,9-hexahydrothieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; 4-[5-[4-(3-trifluoromethylphenyl)piperazin-1-yl]pentyl]-3,4,5,7,8,9-hexahydrothieno[4,3,2-de]pyrido[1,2-c]pyrimidine-3,5,9-trione; and 4-[5-[4-[bis(4-fluorophenyl)methylene]piperadin-1-yl]pentyl]-3,4,5,7,8,9-he
xahydrothieno[4,3,2-de]pyrimidine-3,5,9-trione Monooxalate. 4. A pharmaceutical composition comprising as an active ingredient an effective amount of a compound of claim 1 and a suitable pharmaceutical carrier.
5. A pharmaceutical composition comprising as an active ingredient an effective amount of a compound of claim 2 and a suitable pharmaceutical carrier.
6. A pharmaceutical composition comprising as an active ingredient an effective amount of a compound of claim 3 and a suitable pharmaceutical carrier.
7. A process for synthesizing a compound of claim 1 wherein X is C═O and Y is CH 2 comprising cyclizing a thienopyrimidine-2,4-dione of the formula ##STR11## where ##STR12## R 1 , R 2 , m and n are as defined in claim 1, with a strong dehydrating agent.
8. A process for synthesizing a compound of claim 1 wherein X is C═NOR 4 and Y is CH 2 comprising mixing a ketone of the formula ##STR13## where ##STR14## R 1 , R 2 , m and n are as defined in claim 1, with a hydroxylamine, a substituted hydroxylamine or a hydroxylamine salt and optionally adding a base.
9. A process for synthesizing a compound of claim 1 wherein X is C═O and Y is NH comprising the use of Beckmann rearrangement conditions to expand the ring structure of an oxime of the formula ##STR15## where ##STR16## R 1 , R 2 , m and n are as defined in claim 1 to the desired compound of the formula ##STR17## where ##STR18## R 1 , R 2 , m and n are as defined above.
10. A process for synthesizing a compound of claim 1 wherein X is CHOR 3 and Y is CH 2 comprising the steps of (a) reducing a ketone of the formula ##STR19## where ##STR20## R 1 , R 2 , m and n are as defined in claim 1, with a hydride reagent, to produce an alcohol of the formula ##STR21## where ##STR22## R 1 , R 2 , m and n are as defined above; and (b) optionally alkylating the alcohol with an alkyl halide in an inert solvent in the presence of a base to produce an alkylated compound of the formula ##STR23## where ##STR24## R 1 , R 2 , m and n are as defined above and R 3 is C 1 -C 3 alkyl or COR 5 , wherein R 5 is as defined in claim 1.
11. A process for synthesizing a compound of claim 1 wherein X and Y together are CH═CH comprising dehydrating an alcohol of the formula ##STR25## where ##STR26## R 1 , R 2 , m and n are as defined in claim 1, with a strong acid, acetic acid/acetic anhydride or methanesulfonyl chloride/triethylamine in dichloromethane.
12. A process for synthesizing a compound of claim 1 wherein X is CHNHR 3 and Y is CH 2 comprising the steps of (a) mixing a ketone of the formula ##STR27## where ##STR28## R 1 , R 2 , m and n are as defined in claim 1, with a substituted hydroxylamine to produce an oxime of the formula ##STR29## where ##STR30## R 1 , R 2 , m and n are as defined above and R 4 is C 1 -C 6 alkyl; (b) reducing the oxime with a hydride reagent to produce an amine of the formula ##STR31## where ##STR32## R 1 , R 2 , m and n are as defined above; and (c) optionally alkylating the amine with an alkyl halide in an inert solvent in the presence of a base to produce an alkylated amine of the formula ##STR33## where ##STR34## R 1 , R 2 , m and n are as defined above and R 3 is C 1 -C 3 alkyl; or (d) optionally mixing the amine with an acid halide in an inert solvent to produce an amide of the formula ##STR35## where ##STR36## R 1 , R 2 , m and n are as defined above and R 5 is as defined in claim 1.
13. A method of treating hypertension in mammals by administering an effective amount of a compound of claim 1.
14. A method of treating hypertension in mammals by administering an effective amount of a compound of claim 2.
15. A method of treating hypertension in mammals by administering an effective amount of a compound of claim 3.
16. A method of treating cardiovascular disease in mammals by administering an effective amount of a compound of claim 1.
17. A method of treating cardiovascular disease in mammals by administering an effective amount of a compound of claim 2.
18. A method of treating cardiovascular disease in mammals by administering an effective amount of a compound of claim 3.Cited by (0)
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